017+ libpng warning: Application was compiled with png.h from libpng-1.6.21
018+ libpng warning: Application is running with png.c from libpng-1.2.50
019+
020+ Warning: imagepng(): gd-png: fatal libpng error: Incompatible libpng version in application and library in %s/bug43073_1.php on line 20
021+ Segmentation fault (core dumped)